Patents
Patents for G01F 1 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow (42,661)
11/1997
11/19/1997EP0807824A1 Ultrasonic measuring apparatus for the flow velocity of a fluid
11/19/1997EP0807804A2 Method for calibrating a differential pressure fluid flow measuring system
11/19/1997EP0807243A1 Ultrasonic flowmeter "w"
11/19/1997CN2268252Y Rotary-wing type wet water-meter
11/19/1997CN2268251Y Rotary-wing type civil oil-meter
11/18/1997US5689071 Wide range, high accuracy flow meter
11/18/1997US5687768 Fluid flow pressure measurement system
11/15/1997CA2203309A1 Downhole multiphase flow sensor
11/13/1997WO1997042509A1 Method of measuring the rate of flow of gaseous or liquid media using ultrasound, and measuring device suitable for carrying out said process
11/13/1997WO1997042467A1 Inverted venturi flow element for measuring fluid velocity in a conduit
11/13/1997DE19618442A1 Fluid flow measuring device using hot conductor exposed to fluid temp
11/13/1997DE19617961A1 Verfahren zur Messung der Strömungsgeschwindigkeit von gasförmigen oder flüssigen Medien mittels Ultraschall sowie zur Durchführung des Verfahrens geeignetes Meßgerät Method for measuring the flow rate of gaseous or liquid media by ultrasound, and meter suitable for performing the method
11/12/1997EP0806635A1 Flow rate measurement method and ultrasonic flow meter
11/12/1997EP0806634A2 Vortex flowmeter
11/12/1997EP0805959A1 Method for determination of flow rate in a fluid
11/12/1997EP0805958A1 Flow sensor
11/12/1997CN2267453Y Passive intelligent type swirl flowmeter
11/12/1997CN1164892A Device for measuring volume of flowing medium
11/12/1997CN1164641A Galvanic electrodes of electromagnetic flowmeters
11/12/1997CN1164624A Flow cotnrol valve with flow meter
11/11/1997US5687100 Vibrating tube densimeter
11/11/1997US5687091 Integrated arrangement for monitoring without interrupt process flow by novel sensor arrangement with unique data processing system
11/11/1997US5686671 Grain mass flow sensor for an agricultural combine
11/11/1997US5685772 Acoustic volume and torque weight sensor
11/11/1997US5685194 Differential twin sensor system
11/06/1997WO1997041407A1 Electromagnetic flowmeters
11/06/1997WO1997041057A1 Device metering and measuring quantities of liquid
11/06/1997DE19710806A1 Mass flowmeter using Coriolis principle for fluid
11/06/1997DE19617782A1 Volumetric flow meter for small amounts of fluid
11/06/1997DE19617432A1 Arrangement for measuring respiratory air flow
11/05/1997EP0805341A1 Device for the flowrate measurement of a flowing fluid with one or more elements modifying the velocity profile of the flow
11/05/1997EP0804717A1 Ultrasound flow measurement method
11/05/1997CN1164023A Electromagnetic flowmeter for measuring non-newtonian fluids
11/05/1997CN1164022A Eddy flowmeter
11/04/1997US5684572 Method for determining the velocity of a flow
11/04/1997US5684399 Detection of magnetized fluid flows
11/04/1997US5684250 Self-calibrating open-channel flowmeter
11/04/1997US5684245 For containing a gas whose mass is to be measured
11/04/1997US5683032 Air measuring apparatus and method for paint rotary bell atomizers
10/1997
10/30/1997WO1997040375A1 Apparatus for measuring a gas value
10/30/1997WO1997040351A1 Method for detecting water meter malfunction, calculating the duration thereof, and device for implementing same
10/30/1997WO1997040350A1 Differential pressure device
10/30/1997WO1997040349A1 Apparatus for the measurement of liquid flow
10/30/1997WO1997040348A1 Signal processing apparati and methods for attenuating shifts in zero intercept attributable to a changing boundary condition in a coriolis mass flow meter
10/30/1997DE19710599A1 Füllstandsmeßsystem Füllstandsmeßsystem
10/30/1997DE19616100A1 Method to determine speed and particle size of air-transported solids
10/30/1997CA2252083A1 Apparatus for the measurement of liquid flow
10/29/1997EP0803713A1 Coriolis mass flow sensor
10/29/1997EP0803712A2 Airflow meter having an inverted u-shape bypass passage
10/29/1997EP0803050A1 Method and apparatus for fault detection and correction in coriolis effect mass flowmeters
10/29/1997CN2266126Y Double rotor elastic scraper flowmeter
10/29/1997CN2266125Y IC card prepayment gas meter
10/29/1997CN1163394A Heated resistor type air flow speed measuring device
10/28/1997US5682329 On-line monitoring of controllers in an environment control network
10/28/1997US5681999 Method and apparatus for measuring dry particles
10/28/1997US5681989 Intake air amount measuring apparatus for internal combustion engines
10/23/1997WO1997039314A1 Method of monitoring three phase fluid flow in tubulars
10/23/1997WO1997039313A1 Device for determining the phase component of a conductive medium in a duct
10/23/1997DE19623323A1 Thermal flow-rate sensor for liquids and gases
10/23/1997DE19615140A1 Vorrichtung zur Bestimmung des Phasenanteils eines leitfähigen Mediums in einer Leitung Device for determining the phase portion of a conductive medium in a conduit
10/22/1997EP0631662B1 Improved viscometer for sanitary applications
10/22/1997CN2265531Y Electronic flowmeter
10/22/1997CN2265530Y Inlet and outlet angled flow sensor
10/22/1997CN2265529Y Orifice flowmeter
10/22/1997CN1162736A 电子水表 Electronic meter
10/21/1997USRE35639 Method and apparatus for measuring ratio of mass flow rates and energy flow in a gas pipeline
10/21/1997US5679906 Coriolis effect mass flowmeter using a single rotor having a flexible sensing element
10/21/1997US5679905 Fluid flow measurement
10/21/1997US5679901 Vortex sensing pressure transducer
10/21/1997US5679892 Temperature-sensitive flow amount detection apparatus for internal combustion engine
10/21/1997CA2121368C Impact flowmeter
10/16/1997WO1997038287A1 Mass flow transducer having extended flow rate measurement range
10/16/1997WO1997038286A1 Liquid metering
10/16/1997WO1997037706A1 Air detector
10/16/1997WO1997033150A3 Coriolis viscometer using parallel connected coriolis mass flowmeters
10/16/1997DE19614736A1 Massendurchflußmeßgerät Mass flow meter
10/15/1997EP0801311A1 Ultrasonic flow velocity sensor and method of measuring the velocity of a fluid flow
10/15/1997EP0801150A2 Electronic component
10/15/1997EP0800672A2 Flow controller, parts of flow controller, and related method
10/15/1997EP0800412A1 Portable drag compressor powered mechanical ventilator
10/15/1997EP0592657B1 Fluidic oscillator and flow meter comprising same
10/15/1997CN2264899Y Gas meter with IC card
10/15/1997CN2264898Y Watermeter device avoiding or indicating fraudulent use of water
10/15/1997CN2264897Y Instantaneous water flowmeter
10/14/1997US5677496 Electromagnetic flow meter removing influence of fluctuation in direct-current offset voltage
10/14/1997US5677484 Device for measuring the flow in a fluid channel
10/14/1997US5676784 Method of fabricating a heater coil for a catheter used to monitor cardiac output
10/14/1997US5676132 Pulmonary interface system
10/09/1997WO1997037209A1 Method and apparatus for measuring and controlling the volume of a liquid segment in a tube
10/09/1997DE19613311A1 Ultrasonic flowmeter for liquid and/or gaseous media with US converters
10/09/1997DE19613176A1 System for determining air-mass flow in suction duct of internal combustion engine with flow sensor
10/08/1997EP0800063A1 Liquid Metering
10/08/1997EP0800062A2 Device for measuring the flow velocity of a fluid
10/08/1997EP0800061A2 Vortex flowmeter
10/08/1997EP0800060A2 Method for the noninvasive measurement of the flow of a fluid inside tubes and apparatus for carrying out the method
10/08/1997EP0799670A1 Machine tool with a rotably mounted part
10/08/1997EP0799661A2 A method and an apparatus for supplying molten metal
10/08/1997CN2264363Y Sewage flowmeter
10/08/1997CN2264362Y Water meter
10/08/1997CN1161448A Micro-computerized instrument for calculating volume flow rate